中国风机技术网 关键词 ：离心叶轮;非定常数值模拟;失速 [gap=922]Key words: centrifugal impeller; unsteady simulation; stall
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本文选取某重复级压气机平均半径处的型线，进行平面扩压叶栅非定常数值模拟。
In this paper unsteady numerical simulation of planar diffuse cascade is performed in the model profiles that choosing from mid-span of the blade in a repeated compressor.
对脉冲喷嘴腔内流场进行了二维非定常数值模拟，通过对腔内压力和流场的分析，验证了上述结论；
The 2D unsteady simulation of the nozzle chamber has been done and the analyses prove the early results.
文中针对三种不同内、外筒间隙的同心筒发射装置，对其发射过程中发射筒内的燃气射流流场进行了非定常数值模拟。
The article calculates unsteady jet flow in concentric canister launcher with three different clearances between inner canister and outer canister.
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